61384164488 has 16 divisors (see below), whose sum is σ = 115443033360. Its totient is φ = 30599355600.

The previous prime is 61384164461. The next prime is 61384164497. The reversal of 61384164488 is 88446148316.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11588018 + ... + 11593313.

It is an arithmetic number, because the mean of its divisors is an integer number (7215189585).

Almost surely, 2^61384164488 is an apocalyptic number.

It is an amenable number.

61384164488 is a deficient number, since it is larger than the sum of its proper divisors (54058868872).

61384164488 is a wasteful number, since it uses less digits than its factorization.

61384164488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23181668 (or 23181664 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The spelling of 61384164488 in words is "sixty-one billion, three hundred eighty-four million, one hundred sixty-four thousand, four hundred eighty-eight".